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The spectral index image of the radio halo in the cluster Abell 520 hosting a famous bow shock
V. Vacca, L. Feretti, G. Giovannini +4
Synchrotron radio emission is being detected from an increasing number of galaxy clusters. Spectral index images are a powerful tool to investigate the origin, nature, and connecti…
The nature of the giant diffuse non-thermal source in the A3411-A3412 complex
G. Giovannini, V. Vacca, M. Girardi +3
VLA deep radio images at 1.4 GHz in total intensity and polarization reveal a diffuse non-thermal source in the interacting clusters A3411 - A3412. Moreover a small-size low power…
Measurements and simulation of Faraday rotation across the Coma radio relic
A. Bonafede, F. Vazza, M. Brüggen +5
The aim of this work is to probe the magnetic field properties in relics and infall regions of galaxy clusters using Faraday Rotation Measures. We present Very Large Array multi-fr…
Polarization of cluster radio halos with upcoming radio interferometers
F. Govoni, M. Murgia, H. Xu +5
Synchrotron radio halos at the center of merging galaxy clusters provide the most spectacular and direct evidence of the presence of relativistic particles and magnetic fields asso…